[mirror_ubuntu-bionic-kernel.git] / arch / x86 / include / asm / insn-eval.h

#ifndef _ASM_X86_INSN_EVAL_H
#define _ASM_X86_INSN_EVAL_H
/*
 * A collection of utility functions for x86 instruction analysis to be
 * used in a kernel context. Useful when, for instance, making sense
 * of the registers indicated by operands.
 */

#include <linux/compiler.h>
#include <linux/bug.h>
#include <linux/err.h>
#include <asm/ptrace.h>

#define INSN_CODE_SEG_ADDR_SZ(params) ((params >> 4) & 0xf)
#define INSN_CODE_SEG_OPND_SZ(params) (params & 0xf)
#define INSN_CODE_SEG_PARAMS(oper_sz, addr_sz) (oper_sz | (addr_sz << 4))

void __user *insn_get_addr_ref(struct insn *insn, struct pt_regs *regs);
int insn_get_modrm_rm_off(struct insn *insn, struct pt_regs *regs);
unsigned long insn_get_seg_base(struct pt_regs *regs, int seg_reg_idx);
char insn_get_code_seg_params(struct pt_regs *regs);

#endif /* _ASM_X86_INSN_EVAL_H */
Commit	Line	Data
32542ee2 RN	1	#ifndef _ASM_X86_INSN_EVAL_H
	2	#define _ASM_X86_INSN_EVAL_H
	3	/*
	4	* A collection of utility functions for x86 instruction analysis to be
	5	* used in a kernel context. Useful when, for instance, making sense
	6	* of the registers indicated by operands.
	7	*/
	8
	9	#include <linux/compiler.h>
	10	#include <linux/bug.h>
	11	#include <linux/err.h>
	12	#include <asm/ptrace.h>
	13
4efea85f RN	14	#define INSN_CODE_SEG_ADDR_SZ(params) ((params >> 4) & 0xf)
	15	#define INSN_CODE_SEG_OPND_SZ(params) (params & 0xf)
	16	#define INSN_CODE_SEG_PARAMS(oper_sz, addr_sz) (oper_sz \| (addr_sz << 4))
	17
32542ee2	18	void __user insn_get_addr_ref(struct insn insn, struct pt_regs *regs);
e5e45f11	19	int insn_get_modrm_rm_off(struct insn insn, struct pt_regs regs);
bd5a410a	20	unsigned long insn_get_seg_base(struct pt_regs *regs, int seg_reg_idx);
4efea85f	21	char insn_get_code_seg_params(struct pt_regs *regs);
32542ee2 RN	22
32542ee2 RN	23	#endif /* _ASM_X86_INSN_EVAL_H */